6769345681 has 4 divisors (see below), whose sum is σ = 7736395072. Its totient is φ = 5802296292.

The previous prime is 6769345679. The next prime is 6769345697. The reversal of 6769345681 is 1865439676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6769345681 - 2¹ = 6769345679 is a prime.

It is a super-2 number, since 2×6769345681² = 91648081897746707522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6769345181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483524685 + ... + 483524698.

It is an arithmetic number, because the mean of its divisors is an integer number (1934098768).

Almost surely, 2^6769345681 is an apocalyptic number.

It is an amenable number.

6769345681 is a deficient number, since it is larger than the sum of its proper divisors (967049391).

6769345681 is an equidigital number, since it uses as much as digits as its factorization.

6769345681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967049390.

The product of its digits is 6531840, while the sum is 55.

The square root of 6769345681 is about 82276.0334544635. The cubic root of 6769345681 is about 1891.6853364853.

The spelling of 6769345681 in words is "six billion, seven hundred sixty-nine million, three hundred forty-five thousand, six hundred eighty-one".